Samsung joins the fold with Galaxy Z Flip smartphone

Samsung unveils its second folding smartphone, a "Z Flip" handset with a lofty price tag aimed at "trendsetters." The smartphone flips open, transforming into a 6.7-inch screen, and fits in a pocket when folded. Ultrathin glass used for the screen can be folded and unfolded more than 200,000 times and resists scratches, according to Samsung.